Mathematics

Collection by Mind Your Decisions • Last updated 3 days ago

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Mind Your Decisions
Hard Problem For 9 Year Olds In Taiwan

Hard Problem For 9 Year Olds In Taiwan

This problem went viral because even teachers had trouble solving it. It even got covered in television news! Can you figure it out? References BlackPenRedPe...

Impossible Viral Problem

Impossible Viral Problem

What is the area of the triangle? References https://old.reddit.com/r/math/comments/51rr52/calculate_the_area_of_the_triangle_abc/ https://twitter.com/chris_...

Can You Solve This Logic Puzzle?

Can You Solve This Logic Puzzle?

This is from a sample paper for the Online Mathematics Challenge 2020. Source https://blogm4e.wordpress.com/2020/03/20/thach-thuc-toan-hoc-truc-tuyen-2020-de...

Ancient Trick To Solve This Puzzle!

Ancient Trick To Solve This Puzzle!

Thanks to Taka for the suggestion! This is a fun and challenging geometry problem. Special thanks this month to: Michael Anvari, Kyle. Thanks to all supporte...

Beautiful Solution - Think Inside The Box!

Beautiful Solution - Think Inside The Box!

Thanks to Hriden for the suggestion! A version of this problem was given to class 8 students in India (~13 years old). Can you solve for the area of ABCD? Sp...

Overlapping Rectangles Puzzle Rectangle Area, Confirmation, Mathematics, Puzzle, Mindfulness, Math, Riddles, Puzzles, Affirmations

Overlapping Rectangles Puzzle

Thanks to Robin for the suggestion! Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address in vid...

Incredible Factorial Problem! Cctv Security Systems, Maths Puzzles, Mathematics, Thankful, Mindfulness, The Incredibles, Math Equations, Youtube, Ideas

Incredible Factorial Problem!

This was the hardest problem in the 2002-3 British Mathematical Olympiad. Thanks to Nahian for the suggestion! British Mathematical Olympiad 2002-2003 proble...

Largest Cone Puzzle Maths, Mathematics, Puzzle, Advertising, Mindfulness, Math, Riddles, Puzzles

The Largest Cone Puzzle

What is the largest cone you can make from a circular sector of radius 1? I thank Joe for suggesting the problem! Maximum volume of a cone shaped cup (Krista...

A Clever Solution Mind You, Mathematics, Clever, Mindfulness, Learning, Store, Math, Tent, Shop Local

A Clever Solution

Learn one weird trick to solve this problem! Thanks to Nestor Abad for alerting me of a typo in an earlier version of the video. Reference https://socratic.o...

The Wedged Angle Privacy Policy, Mathematics, Angles, Mindfulness, Letters, Math, Letter, Calligraphy, Awareness Ribbons

The Wedged Angle

Can you solve this geometry puzzle? Thanks to Robson for the suggestion! Polish translation credit: Tłumaczenie: Przemyslav Znajdź mnie tutaj: https://forum....

Best Meeting Spot For 4 Friends Friends Youtube, Mind You, D 20, Mathematics, Thankful, This Or That Questions, Math

Best Meeting Spot For 4 Friends

Which point is "closest" to 4 friends? Thanks to Chanul for suggesting this problem, which is adapted from a Sri Lankan Olympiad question. Special thanks thi...

Only 10 Percent of Students Solved This Percents, Mathematics, Bar Chart, Students, Math, Bar Graphs

Only 10 Percent of Students Solved This

Can you solve this problem that stumped many advanced math students? References https://io9.gizmodo.com/ready-this-simple-puzzle-once-stumped-96-of-americas-...

The Stacked Cubes Puzzle Cube Puzzle, Math Problems, Blue Line, Zodiac Quotes, Mindfulness, Confirmation, Cubes, Tech, Science

The Stacked Cubes Puzzle

This is a fun one! Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address in video). I consider a...

The Folded Square Puzzle E 10, Mathematics, Puzzle, Mindfulness, Math, Riddles, Puzzles, Puzzle Games, Quizes

The Folded Square Puzzle

I thank Ankit and Amlan for the suggestion! This problem is adapted from an examination at the prestigious Chennai Mathematical Institute. Polish translation...

Can You Solve The 6 Cards Game? Maths Puzzles, Bar Chart, Mindfulness, Canning, Games, Math Puzzles Brain Teasers, Home Canning, Bar Graphs, Gaming

Can You Solve The 6 Cards Game?

It takes perfect logical reasoning to solve this puzzle. I thank Joe for the suggestion! Polish translation by Przemyslav Znajdź mnie tutaj: https://forum.cd...

The Last Side Puzzle Math Competition, Figure It Out, Mathematics, Puzzle, Mindfulness, Student, This Or That Questions, Math, Riddles

The Last Side Puzzle

This was given to 9th and 10th grade students in a math competition. Can you figure it out? References Question 23 of Kangaroo competition https://www.matema...